Indicate by check mark whether the registrant: (1) has filed all reports required to be filed
by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months
(or for such shorter period that the registrant was required to file such reports), and (2)
has been subject to such filing requirements for the past 90 days.
Yes þ No o

Indicate by check mark whether the registrant has submitted electronically and posted on its
corporate Web site, if any, every Interactive Data File required to be submitted and posted
pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12
months (or for such shorter period that the registrant was required to submit and post such
files). Yes þ No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated
filer, a non-accelerated filer or a smaller reporting company. See definition of accelerated
filer, large accelerated filer and smaller reporting company in Rule 12b-2 of the Exchange
Act. (Check one):

Large accelerated filer o

Accelerated filer þ

Non-accelerated filer o(Do not check if a smaller reporting company)

Smaller reporting company o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of
the Exchange Act). Yes o No þ

On August 5, 2011 there were outstanding 24,334,515 shares of Common Stock, par value $0.01 per
share, of the registrant.

FUEL TECH, INC.
Form 10-Q for the six-month period ended June 30, 2011

Fuel Tech, Inc. (Fuel Tech or the Company or we, us, or our) is a fully integrated company
that uses a suite of advanced technologies to provide boiler optimization, efficiency improvement
and air pollution reduction and control solutions to utility and industrial customers worldwide.
Originally incorporated in 1987 under the laws of the Netherlands Antilles as Fuel-Tech N.V., Fuel
Tech became domesticated in the United States on September 30, 2006, and continues as a Delaware
corporation with its corporate headquarters at 27601 Bella Vista Parkway, Warrenville, Illinois,
60555-1617. Fuel Tech maintains an Internet website at
www.ftek.com. Fuel Techs annual report on
Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and any amendments to those
reports filed or furnished pursuant to Section 13(a) of the Securities Exchange Act of 1934 as
amended (Exchange Act), are made available through our website as soon as reasonably practical
after electronically filed or furnished to the Securities and Exchange Commission. Also available
on Fuel Techs website are the Companys Corporate Governance Guidelines and Code of Ethics and
Business Conduct, as well as the charters of the Audit and Compensation & Nominating committees of
the Board of Directors. All of these documents are available in print without charge to
stockholders who request them. Information on our website is not incorporated into this report.

Fuel Techs special focus is the worldwide marketing of its nitrogen oxide (NOx) reduction and FUEL
CHEM® processes. The Air Pollution Control (APC) technology segment reduces NOx
emissions in flue gas from boilers, incinerators, furnaces and other stationary combustion sources
by utilizing combustion optimization techniques and Low NOx and Ultra Low NOx Burners; Over-Fire
Air systems, NOxOUT®and HERT High Energy Reagent Technology
SNCR systems; systems that incorporate ASCR (Advanced Selective Catalytic Reduction)
technologies includingNOxOUT-CASCADE®, ULTRA and
NOxOUT-SCR®processes, Ammonia Injection Grid (AIG) and Graduated Straightening Grid
(GSG). The FUEL CHEM® technology segment improves the efficiency, reliability and
environmental status of combustion units by controlling slagging, fouling and corrosion, as well as
the formation of sulfur trioxide, ammonium bisulfate, particulate matter (PM2.5), carbon
dioxide, NOx and unburned carbon in fly ash through the addition of chemicals into the fuel or via
TIFI® Targeted In-Furnace Injection programs. Fuel Tech has other technologies, both
commercially available and in the development stage, all of which are related to APC and FUEL CHEM
technology segments or are similar in their technological base. We have expended significant
resources in the research and development of new technologies in building our proprietary portfolio
of air pollution control, fuel and boiler treatment chemicals, computer modeling and advanced
visualization technologies. Fuel Techs business is materially dependent on the continued existence
and enforcement of worldwide air quality regulations.

Note B: Basis of Presentation

The
accompanying unaudited consolidated financial statements have been prepared in
accordance with generally accepted accounting principles for interim financial information and with
the instructions to Form 10-Q and Article 10 of Regulation S-X of the Exchange Act. Accordingly,
they do not include all of the information and footnotes required by accounting principles
generally accepted in the United States for complete financial statements. In the opinion of
management, all adjustments (consisting of normal recurring accruals) considered necessary for a
fair presentation of the balance sheet and results of operations for the periods covered have been
included and all significant intercompany transactions and balances have been eliminated. The
results of operations of all acquired businesses have been consolidated for all periods subsequent
to the date of acquisition.

The balance sheet at December 31, 2010 has been derived from the audited financial statements at
that date, but does not include all of the information and footnotes required by generally accepted
accounting principles for complete financial statements.

For further information, refer to the consolidated financial statements and footnotes thereto
included in Fuel Techs Annual Report on Form 10-K for the year ended December 31, 2010 as filed
with the Securities and Exchange Commission.

Note C: Revenue Recognition Policy

Revenues from the sales of chemical products are recorded when title transfers, either at the point
of shipment or at the point of destination, depending on the contract with the customer.

Fuel Tech uses the percentage of completion method of accounting for equipment construction and
license contracts that are sold within the Air Pollution Control technology segment. Under the
percentage of completion method, revenues are recognized as
work is performed based on the relationship between actual construction costs incurred and total
estimated costs at completion. Construction costs include all direct costs such as materials,
labor, and subcontracting costs, and indirect costs allocable to the particular contract such as
indirect labor, tools and equipment, supplies, and depreciation. Revisions in completion estimates
and contract values are made in the period in which the facts giving rise to the revisions become
known and can influence the timing of when revenues are recognized under the percentage of
completion method of accounting. The completed contract method is used for certain contracts when
reasonably dependable estimates of the percentage of completion cannot be made. When the completed
contract method is used, revenue and costs are deferred until the contract is substantially
complete, which usually occurs upon customer acceptance of the installed product. Provisions are
made for estimated losses on uncompleted contracts in the period in which such losses are
determined. As of June 30, 2011, the Company had no contracts in progress that were identified as
loss contracts.

Fuel Techs APC contracts are typically eight to sixteen months in length. A typical contract will
have three or four critical operational measurements that, when achieved, serve as the basis for us
to invoice the customer via progress billings. At a minimum, these measurements will include the
generation of engineering drawings, the shipment of equipment and the completion of a system
performance test.

As part of most of its contractual APC project agreements, Fuel Tech will agree to
customer-specific acceptance criteria that relate to the operational performance of the system that
is being sold. These criteria are determined based on mathematical modeling that is performed by
Fuel Tech personnel, which is based on operational inputs that are provided by the customer. The
customer will warrant that these operational inputs are accurate as they are specified in the
binding contractual agreement. Further, the customer is solely responsible for the accuracy of the
operating condition information; all performance guarantees and equipment warranties granted by us
are void if the operating condition information is inaccurate or is not met.

Accounts receivable includes unbilled receivables, representing revenues recognized in excess of
billings on uncompleted contracts under the percentage of completion method of accounting. At June
30, 2011 and December 31, 2010, unbilled receivables were approximately $10,139 and $6,800,
respectively, and are included in accounts receivable on the consolidated balance sheets. Billings
in excess of costs and estimated earnings on uncompleted contracts were $510 and $650, at June 30,
2011 and December 31, 2010, respectively. Such amounts are included in other accrued liabilities on
the consolidated balance sheets.

Fuel Tech has installed over 640 units with APC technology and normally provides performance
guarantees to our customers based on the operating conditions for the project. As part of the
project implementation process, we perform system start-up and optimization services that
effectively serve as a test of actual project performance. We believe that this test, combined
with the accuracy of the modeling that is performed, enables revenue to be recognized prior to the
receipt of formal customer acceptance.

Selling, general and administrative expenses primarily include the following categories except
where an allocation to the cost of sales line item is warranted due to the project- or product-line
nature of a portion of the expense category: salaries and wages, employee benefits, non-project
travel, insurance, legal, rent, accounting and auditing, recruiting, telephony, employee training,
Board of Directors fees, auto rental, office supplies, dues and subscriptions, utilities, real
estate taxes, commissions and bonuses, marketing materials, postage and business taxes. Departments
comprising the selling, general and administrative line item primarily include the functions of
executive management, finance and accounting, investor relations, regulatory affairs, marketing,
business development, information technology, human resources, sales, legal and general
administration.

At the time of purchase, marketable securities are classified as available-for-sale as management
has the intent and ability to hold such securities for an indefinite period of time, but not
necessarily to maturity. Any decision to sell available-for-sale securities
would be based on various factors, including, but not limited to asset/liability management
strategies, changes in interest rates or prepayment risks, and liquidity needs. Available-for-sale
securities are carried at fair value with unrealized gains and losses, net of related deferred
income taxes, recorded in equity as a separate component of other comprehensive income (OCI). Our
marketable securities consist of a single equity investment with a fair value of $109 and no cost
basis at June 30, 2011.

Purchases and sales of securities are recognized on a trade date basis. Realized securities gains
or losses are reported in other gains/losses in the Consolidated Statements of Operations. The cost
of securities sold is based on the specific identification method. On a quarterly basis, we make an
assessment to determine whether there have been any events or circumstances to indicate that a
security for which there is an unrealized loss is impaired on an other-than-temporary (OTTI) basis.
This determination requires significant judgment. OTTI is considered to have occurred (1) if
management intends to sell the security, (2) if it is more likely than not we will be required to
sell the security before recovery of its amortized cost basis; or (3) the present value of the
expected cash flows is not sufficient to recover the entire amortized cost basis. The
credit-related OTTI, represented by the expected loss in principal, is recognized in non-interest
income, while noncredit-related OTTI is recognized in OCI. Noncredit-related OTTI results from
other factors, including increased liquidity spreads and extension of the security. For securities
which we do expect to sell, all OTTI is recognized in earnings. Presentation of OTTI is made in the
income statement on a gross basis with a reduction for the amount of OTTI recognized in OCI. Once
an other-than-temporary impairment is recorded, when future cash flows can be reasonably estimated,
future cash flows are re-allocated between interest and principal cash flows to provide for a
level-yield on the security. We have not experienced any other-than-temporary impairments during
the periods ended June 30, 2011 and 2010.

Note G: Earnings per Share Data

Basic earnings per share excludes the dilutive effects of stock options, restricted stock units
(RSUs), and the nil coupon non-redeemable convertible unsecured loan notes. Diluted earnings per
share includes the dilutive effect of stock options, restricted stock units, and of the nil coupon
non-redeemable convertible unsecured loan notes. The following table sets forth the
weighted-average shares used in calculating the earnings per share for the three and six month
periods ended June 30, 2011 and 2010.

Three Months Ended

Six Months Ended

June 30

June 30

2011

2010

2011

2010

Basic weighted-average shares

24,269

24,215

24,242

24,213

Conversion of unsecured loan notes

7



7



Unexercised options and RSUs

633



651



Diluted weighted-average shares

24,909

24,215

24,900

24,213

Note H: Total Comprehensive Income (Loss)

Total comprehensive income for Fuel Tech is comprised of net income, unrealized gains/(losses) from
marketable securities that are available for sale, and the impact of foreign currency translation
as follows:

Fuel Tech has a stock-based employee compensation plan, referred to as the Fuel Tech, Inc.
Incentive Plan (Incentive Plan), under which awards may be granted to participants in the form of
Non-Qualified Stock Options, Incentive Stock Options, Stock Appreciation Rights, Restricted Stock,
Restricted Stock Units (RSUs), Performance Awards, Bonuses or other forms of share-based or
non-share-based awards or combinations thereof. Participants in the Incentive Plan may be Fuel
Techs directors,
officers, employees, consultants or advisors (except consultants or advisors in capital-raising
transactions) as the directors determine are key to the success of Fuel Techs business. The
amount of shares that may be issued or reserved for awards to participants under a 2004 amendment
to the Incentive Plan is 12.5% of outstanding shares calculated on a diluted basis. At June 30,
2011, Fuel Tech had approximately 970,000 equity awards available for issuance under the Incentive
Plan.

Stock-based compensation is included in selling, general, and administrative costs in our
consolidated statements of operations. The components of stock-based compensation for the three and
six month periods ended June 30, 2011 and 2010 were as follows:

Three Months Ended

Six Months Ended

June 30

June 30

2011

2010

2011

2010

Stock options

$

869

$

1,352

$

1,405

$

2,519

Restricted stock units

173



254



Deferred directors fees

17

22

37

50

Total stock-based compensation expense

1,059

1,374

1,696

2,569

Tax benefit of stock-based
compensation expense

(355

)

(469

)

(550

)

(868

)

After-tax effect of stock based
compensation

$

704

$

905

$

1,146

$

1,701

As of June 30, 2011, there was $4,198 of total unrecognized compensation cost related to all
non-vested share-based compensation arrangements granted under the Incentive Plan.

Stock Option Exchange Program

On June 1, 2011 the Company commenced an
exchange offer that offered to certain employees the right
to exchange eligible options to purchase shares of common stock of the Company for a lesser number of
replacement awards of restricted stock units. The exchange offer expired on June 29, 2011.
Pursuant to the exchange offer, 814,500 eligible options were tendered and the Company granted
267,372 restricted stock units in exchange for those options. As a result of the exchange, which is
deemed a modification of the original stock option awards under generally accepted accounting
principles, additional stock-based compensation of approximately $251 will be recognized over the
two year vesting period associated with the replacement awards commencing June 30, 2011.
Additional information regarding the stock option exchange program may be found on the Companys
Tender Offer Statement on Schedule TO filed with the SEC on June 1, 2011.

Stock Options

Stock options granted to employees under the Incentive Plan have a 10-year life and they vest as
follows: 50% after the second anniversary of the award date, 25% after the third anniversary, and
the final 25% after the fourth anniversary of the award date. Fuel Tech calculates stock
compensation expense for employee option awards based on the grant date fair value of the award,
less expected annual forfeitures, and recognizes expense on a straight-line basis over the
four-year service period of the award. Stock options granted to members of our board of directors
vest immediately. Stock compensation for these awards is based on the grant date fair value of the
award and is recognized in expense immediately.

Fuel Tech uses the Black-Scholes option pricing model to estimate the grant date fair value of
employee stock options. The principal variable assumptions utilized in valuing options and the
methodology for estimating such model inputs include: (1) risk-free interest rate  an estimate
based on the yield of zero-coupon treasury securities with a maturity equal to the expected life
of the option; (2) expected volatility  an estimate based on the historical volatility of Fuel
Techs Common Stock for a period equal

to the expected life of the option; and (3) expected life of
the option  an estimate based on historical experience including the effect of employee
terminations.

Based on the results of the model, the weighted-average fair value of the stock options granted
during the six-month period ended June 30, 2011 was $4.08 per option using the following
assumptions:

Expected dividend yield

0.0

%

Risk-free interest rate

1.8

%

Expected volatility

57.2

%

Expected life of option

5.0 years

Stock option activity for Fuel Techs Incentive Plan for the six months ended June 30, 2011 was as
follows:

Weighted-

Average

Number

Weighted-

Remaining

Aggregate

of

Average

Contractual

Intrinsic

Options

Exercise Price

Term

Value

Outstanding on January 1, 2011

2,856,125

$

14.68

Granted

60,000

8.16

Converted to RSUs

(814,500

)

22.06

Exercised

(70,000

)

4.47

Expired or forfeited

(79,625

)

20.51

Outstanding on June 30, 2011

1,952,000

$

11.53

5.4 years

$

984

Exercisable on June 30, 2011

1,692,375

$

11.59

5.0 years

$

962

Non-vested stock option activity for the three months ended June 30, 2011 was as follows:

Non-Vested Stock

Weighted-Average

Options

Grant Date

Outstanding

Fair Value

Outstanding on January 1, 2011

578,500

$

7.50

Granted

60,000

4.08

Vested

(272,500

)

7.03

Converted to RSUs

(91,500

)

9.97

Forfeited

(14,875

)

7.04

Outstanding on June 30, 2011

259,625

$

6.36

As of June 30, 2011, there was $2,129 of total unrecognized compensation cost related to
non-vested stock options granted under the Incentive Plan. That cost is expected to be recognized
over a weighted average period of 1.4 years.

Fuel Tech received proceeds from the exercise of stock options of $313 in the six-month period
ended June 30, 2011. The intrinsic value of options exercised in the six-month period ended June
30, 2011 was $249. It is our policy to issue new shares upon option exercises, loan conversions,
and vesting of restricted stock units. We have not used cash and do not anticipate any future use
of cash to settle equity instruments granted under share-based payment arrangements.

Restricted Stock Units

Restricted stock units (RSUs) granted to employees vest over time based on continued service
(typically vesting over a period between two and four years). Such time-vested RSUs are valued at
the date of grant using the intrinsic value method. Compensation cost, adjusted for estimated
forfeitures, is amortized on a straight-line basis over the requisite service period.

In addition to the time vested RSUs described above, in March 2011 the Company entered into a
performance-based RSU agreement (the Agreement) with each of the Companys President/Chief
Executive Officer, Treasurer/Chief Financial Officer, Executive Vice President, Marketing & Sales
and Executive Vice President, Worldwide Operations. The Agreement provides each participating
executive the opportunity to earn three types of awards with each award type specifying a targeted
number of RSUs that may be granted to each executive based on either the individual performance of
the executive or the Companys relative performance compared to a peer group, as determined by the
award type. The Compensation and Nominating Committee of our Board of Directors (the Committee)
determines the extent to which, if any, RSUs will be granted based on the achievement of the
applicable performance criteria specified in the Agreement. This determination will be made
following the completion of the applicable performance period (each a Determination Date). Such
performance based awards include the following:



The first type of award is based on individual performance during the 2011 calendar year
as determined by the Committee based on performance criteria specified in the Agreement.
These awards will vest over a three year period beginning on the Determination Date. We
estimated the fair value of these performance-based RSU awards on the date of the Agreement
using the intrinsic value method and our estimate of the probability that the specified
performance criteria will be met. The fair value measurement and probability estimate will
be re-measured each reporting date until the Determination Date, at which time the final
award amount will be known. For these job performance-based awards, we amortize
compensation costs over the requisite service period, adjusted for estimated forfeitures,
for each separately vesting tranche of the award.



The second type of RSU award contains a targeted number of RSUs to be granted based on
the Companys revenue growth relative to a specified peer group during the 2011 and 2012
calendar years. These awards vest 67% on the second anniversary of the Agreement date and
33% on the third anniversary of the Agreement date. We estimated the fair value of these
performance-based RSU awards on the Agreement date using the intrinsic value method and our
estimate of the probability that the specified performance criteria will be met. For these
revenue growth performance-based awards, we amortize compensation costs over the requisite
service period, adjusted for estimated forfeitures, for each separately vesting tranche of
the award.



The third type of RSU award contains a targeted number of RSUs to be granted based on
the total shareholder return (TSR) of the Companys common stock relative to a specified
peer group during the 2011 and 2012 calendar years. These awards vest 67% on the second
anniversary of the Agreement date and 33% on the third anniversary of the Agreement date.
We estimated the fair value of these market-based RSU awards on the Agreement date using a
Monte Carlo valuation methodology and amortize the fair value over the requisite service
period for each separately vesting tranche of the award.

At June 30, 2011 there is $1,818 of unrecognized compensation costs related to restricted stock
unit awards to be recognized over a weighted average period of 3.8 years.

A summary of restricted stock unit activity for the six month period ended June 30, 2011 is as
follows:

Weighted Average

Grant Date

Shares

Fair Value

Unvested restricted stock units at December 31, 2010

149,000

$

8.63

Granted





Converted from stock options

267,372

6.53

Forfeited

(1,000

)

8.63

Vested





Unvested restricted stock units at June 30, 2011

415,372

$

7.28

Deferred Directors Fees

In addition to the Incentive Plan, Fuel Tech has a Deferred Compensation Plan for Directors
(Deferred Plan). Under the terms of the Deferred Plan, Directors can elect to defer Directors
fees for shares of Fuel Tech Common Stock that are issuable at a future date as defined in the
agreement. In accordance with ASC 718, Fuel Tech accounts for these awards as equity awards as
opposed to liability awards. In the periods ended June 30, 2011 and 2010, Fuel Tech recorded $37
and $28, respectively, of stock-based compensation expense under the Deferred Plan.

At June 30, 2011, Fuel Tech had 1,924,000 weighted average stock awards outstanding that were not
dilutive for the purpose of inclusion in the calculation of diluted earnings per share but could
potentially become dilutive in future periods.

Note J: Debt

On June 30, 2011, Fuel Tech amended its existing revolving credit facility (the Facility) with
JPMorgan Chase Bank, N.A (JPM Chase) to extend the maturity date through June 30, 2013. The
amendment decreases the total borrowing base of the facility to $15,000 from $25,000 and contains a
provision to increase the facility up to a total principal amount of $25,000 upon approval from JPM
Chase. The Facility is unsecured, bears interest at a rate of LIBOR plus a spread range of 250
basis points to 375 basis points, as determined under a formula related to the Companys leverage
ratio, and has the Companys Italian subsidiary, Fuel Tech S.r.l., as a guarantor. Fuel Tech can
use this Facility for cash advances and standby letters of credit. As of June 30, 2011 and
December 31, 2010, there were no outstanding borrowings on the amended or previous credit
facilities.

The Facility contains several debt covenants with which the Company must comply on a quarterly or
annual basis, including a maximum Funded Debt to EBITDA Ratio (or Leverage Ratio, as defined in
the Facility) of 1.5:1.0 based on the four trailing quarterly periods. Maximum funded debt is
defined as all borrowed funds, outstanding standby letters of credit and bank guarantees. EBITDA
includes after tax earnings with add backs for interest expense, income taxes, depreciation and
amortization, and stock-based compensation expenses. In addition, the Facility covenants include
an annual capital expenditure limit of $10,000 and a minimum tangible net worth of $50,000,
adjusted upward for 50% of net income generated and 100% of all capital issuances. At June 30,
2011, the Company was in compliance with all financial covenants specified by the Facility.

On June 30, 2011, Beijing Fuel Tech Environmental Technologies Company, Ltd. (Beijing Fuel Tech), a
wholly-owned subsidiary of Fuel Tech, entered into a new revolving credit facility (the China
Facility) agreement with JPM Chase for RMB 35 million (approximately $5,400), which expires on June
29, 2012. This new credit facility replaced the previous RMB 45 million facility that expired on
June 30, 2011. The facility is unsecured, bears interest at a rate of 125% of the Peoples Bank of
China (PBOC) Base Rate, and is guaranteed by Fuel Tech. Beijing Fuel Tech can use this facility
for cash advances and bank guarantees. As of June 30, 2011 and December 31, 2010, Beijing Fuel
Tech has borrowings outstanding in the amount of $2,321 and $2,269, respectively. These borrowings
were subject to interest rates of approximately 6.7% and 5.8% at June 30, 2011 and December 31,
2010, respectively.

At June 30, 2011 and December 31, 2010, the Company had outstanding standby letters of credit and
bank guarantees, predominantly to customers, totaling approximately $1,213 and $1,265,
respectively, in connection with contracts in process. Fuel Tech is committed to reimbursing the
issuing bank for any payments made by the bank under these instruments. At June 30, 2011, there
were no cash borrowings under the domestic revolving credit facility and approximately $13,787 was
available for future borrowings. The Company pays a commitment fee of 0.25% per year on the unused
portion of the revolving credit facility. Management has met with the Companys lending
institutions and, during the course of those meetings, was not made aware of any information
indicating that they will not be able to perform their obligations for any letters of credit or
guarantees issued, nor be unable to supply funds to Fuel Tech if the Company chooses to borrow
funds under its two revolving credit facilities.

In the event of default on either the domestic facility or the China facility, the cross default
feature in each allows the lending bank to accelerate the payments of any amounts outstanding and
may, under certain circumstances, allow the bank to cancel the facility. If the Company were
unable to obtain a waiver for a breach of covenant and the bank accelerated the payment of any
outstanding amounts, such acceleration may cause the Companys cash position to deteriorate or, if
cash on hand were insufficient to satisfy the payment due, may require the Company to obtain
alternate financing to satisfy the accelerated payment.

Interest payments in the amount of $78 and $77 were made during the six month periods ended June
30, 2011 and 2010, respectively.

systems, using just SNCR and SCR catalyst components. ULTRA technology creates ammonia
at a plant site using safe urea for use with any SCR application. Flue Gas Conditioning
systems are chemical injection systems offered in markets outside the U.S. and Canada to
enhance electrostatic precipitator and fabric filter performance in controlling
particulate emissions.



The FUEL CHEM® technology segment, which uses chemical processes in
combination with advanced Computational Fluid Dynamics (CFD) and Chemical Kinetics
Modeling (CKM) boiler modeling, for the control of slagging, fouling, corrosion, opacity
and other sulfur trioxide-related issues in furnaces and boilers through the addition of
chemicals into the furnace using TIFI®Targeted In-Furnace Injection
technology.

The Other classification includes those profit and loss items not allocated by Fuel Tech to each
reportable segment. Further, there are no intersegment sales that require elimination.

Fuel Tech evaluates performance and allocates resources based on reviewing gross margin by
reportable segment. The accounting policies of the reportable segments are the same as those
described in the summary of significant accounting policies
(Note 1 in our annual report on Form 10-K). Fuel Tech does not review assets by reportable
segment, but rather, in aggregate for Fuel Tech as a whole.

Information concerning Fuel Techs operations by geographic area is provided below. Revenues
are attributed to countries based on the location of the customer. Assets are those directly
associated with operations of the geographic area.

Three months ended June 30

Six months ended June 30

2011

2010

2011

2010

Revenues:

United States

$

15,529

$

14,461

$

35,147

$

29,502

Foreign

3,492

4,441

6,496

7,017

$

19,021

$

18,902

$

41,643

$

36,519

June 30,

December 31,

2011

2010

Assets:

United States

$

91,821

$

92,485

Foreign

11,029

10,718

$

102,850

$

103,203

Note L: Contingencies

Fuel Tech issues a standard product warranty with the sale of its products to customers. Our
recognition of warranty liability is based primarily on analyses of warranty claims experienced in
the preceding years as the nature of our historical product sales for which we offer a warranty are
substantially unchanged. This approach provides an aggregate warranty accrual that is historically
aligned with actual warranty claims experienced.

Changes in the warranty liability for the six months ended June 30, 2011 and 2010 are summarized
below:

Six Months Ended June 30

2011

2010

Aggregate product warranty liability at beginning of
period

$

215

$

199

Net aggregate expense related to product warranties

100

60

Aggregate reductions for payments

(112

)

(57

)

Aggregate product warranty liability at end of period

$

203

$

202

In 2009 the Company recorded a contingent consideration accrual representing the fair value of the
future consideration to be paid in connection with its acquisition of substantially all of the
assets of Advanced Combustion Technology, Inc. (ACT). The contingent consideration arrangement
required the Company to pay ACT a pro-rata amount of up to $4,000 annually for the achievement of a
minimum annual gross margin dollar level (the Hurdle) of $10,000, $11,000, and $12,000 in fiscal
2009, 2010, and 2011, respectively. In addition, the agreement required the Company to pay ACT
thirty-five percent of all qualifying gross margin dollars above the annual Hurdle rate for each of
the three years. The potential undiscounted amount of all future payments that the Company could
be required to make is between $0 and $4,000 in any one year, and $0 and $12,000 in total, not
including the amount related to the thirty-five percent sharing of qualifying gross margin dollars
above the pre-determined Hurdle. The fair value of the contingent consideration at inception was
$2,307, which was recorded as a liability when the business combination was initially recorded.

The Company periodically evaluates the probability that payment of the contingent consideration
accrual is probable based on a range of outcomes and assumptions used to develop the fair value
estimate. Based upon this analysis, management concluded during the quarter ended June 30, 2011
that the payout for 2011 was not probable of being made. Thus, the Company recorded a gain of $758
from the revaluation of the contingent liability. A similar adjustment was made in the two
preceding years for $781 and $768, respectively. As of June 30, 2011, there is no contingent
liability accrual remaining.

The Companys effective tax rates of 49.2% and 50% for the six month periods ended June 30, 2011
and 2010, respectively, differ from the statutory federal tax rate due primarily to state taxes,
stock-based compensation, differences between U.S. and foreign tax rates, foreign losses incurred with no related tax benefit, changes in state rate
rates, and non-deductible meals and entertainment expenses.

Fuel Tech had unrecognized tax benefits as of December 31, 2010 in the amount of $870 all of which,
if ultimately recognized, will reduce Fuel Techs annual effective tax rate. There have been no
material changes in unrecognized tax benefits during the three and six month periods ended June 30,
2011.

Note N: Goodwill and Other Intangibles

Goodwill and indefinite-lived intangible assets are not amortized, but are reviewed annually or
more frequently if indicators arise, for impairment. The evaluation of impairment involves
comparing the current fair value of our reporting units to their carrying values. Fuel Tech uses a
discounted cash flow (DCF) model to determine the current fair value of its two reporting units. A
number of significant assumptions and estimates are involved in the application of the DCF model to
forecast operating cash flows, including markets and market share, sales volumes and prices, costs
to produce and working capital changes. Management considers historical experience and all
available information at the time the fair values of its reporting units are estimated. However,
actual fair values that could be realized in an actual transaction may differ from those used to
evaluate the impairment of goodwill.

Goodwill is allocated among and evaluated for impairment at the reporting unit level, which is
defined as an operating segment or one level below an operating segment. Fuel Tech has two
reporting units which are reported in the FUEL CHEM technology segment and the APC technology
segment. At June 30, 2011 and December 31, 2010, goodwill allocated to the FUEL CHEM technology
segment was $1,723 while goodwill allocated to the APC technology segment was $19,328.

Goodwill is allocated to each of our reporting units after considering the nature of the net assets
giving rise to the goodwill and how each reporting unit would enjoy the benefits and synergies of
the net assets acquired. Our last fair value measurement test, performed annually as of October 1,
revealed no indications of impairment. There were no indications of goodwill impairment in the
three and six month periods ended June 30, 2011.

Fuel Tech reviews other intangible assets, which include customer lists and relationships,
covenants not to compete, patent assets, tradenames, and acquired technologies, for impairment on a
recurring basis or when events or changes in circumstances indicate the carrying amount of an asset
may not be recoverable. In the event that impairment indicators exist, a further analysis is
performed and if the sum of the expected undiscounted future cash flows resulting from the use of
the asset is less than the carrying amount of the asset, an impairment loss equal to the excess of
the assets carrying value over its fair value is recorded. Management considers historical
experience and all available information at the time the estimates of future cash flows are made,
however, the actual cash values that could be realized may differ from those that are estimated.
There were no indications of intangible asset impairment in the
three- and six-month periods ended
June 30, 2011.

Note O: Fair Value

The Company applies authoritative accounting guidance for fair value measurements of financial and
nonfinancial assets and liabilities. This guidance defines fair value, establishes a consistent
framework for measuring fair value and expands disclosure for each major asset and liability
category measured at fair value on either a recurring or nonrecurring basis and clarifies that fair
value is an exit price, representing the amount that would be received to sell an asset or paid to
transfer a liability in an orderly transaction between market participants. As such, fair value is
a market-based measurement that should be determined based on assumptions that market participants
would use in pricing an asset or liability. As a basis for considering such assumptions, the
standard establishes a three-tier fair value hierarchy, which prioritizes the inputs used in
measuring fair value as follows:



Level 1  Observable inputs to the valuation methodology such as
quoted prices in active markets for identical assets or
liabilities.



Level 2- Inputs to the valuation methodology including quoted
prices for similar assets or liabilities in active markets, quoted
prices for identical assets of liabilities in inactive markets,
inputs other than quoted prices that are observable for the asset
or liability, and inputs that are derived principally from or
corroborated by observable market data by correlation or other
means.



Level 3  Significant unobservable inputs in which there is
little or no market data, which require the reporting entity to
develop its own estimates and assumptions or those expected to be
used by market participants. Generally, these fair value measures
are model-based valuation techniques such as discounted cash
flows, option pricing models, and other commonly used valuation
techniques.

The fair value of our marketable securities was $109 at June 30, 2011 and was determined using
quoted prices in active markets for identical assets (Level 1 fair value measurements). Transfers
between levels of the fair value hierarchy are recognized based on the actual date of the event or
change in circumstances that caused the transfer. We had no assets or liabilities that were
valued using level 2 or level 3 inputs and therefore there were no transfers between levels of the
fair value hierarchy during the three and six month periods ended June 30, 2011.

The carrying amount of our short-term debt and revolving line of credit approximates fair value due
to its short-term nature and because the amounts outstanding accrue interest at variable
market-based rates.

Note P: Recently Adopted and Pending Accounting Pronouncements

In June 2011, the Financial Accounting Standards Board (FASB) issued amended disclosure
requirements for the presentation of comprehensive income. The amended guidance eliminates the
option to present components of other comprehensive income (OCI) as part of the statement of
changes in equity. Under the amended guidance, all changes in OCI are to be presented either in a
single continuous statement of comprehensive income or in two separate but consecutive financial
statements. The changes are effective January 1, 2012. Early application is permitted. There will
be no impact to the consolidated financial results as the amendments relate only to changes in
financial statement presentation.

In May 2011, the FASB issued guidance titled Amendments to Achieve Common Fair Value Measurement
and Disclosure Requirements in U.S. GAAP and International Financial Reporting Standard (IFRS), to
converge fair value measurement and disclosure guidance in U.S. GAAP with the guidance in the
International Accounting Standards Boards concurrently issued IFRS 13, Fair Value Measurement.
This accounting guidance does not modify the requirements for when fair value measurements apply;
rather, it generally provides clarifications on how to measure and disclose fair value under the
Accounting Standards Codification 820, Fair Value Measurement. The amendments in this accounting
guidance are effective prospectively for interim and annual periods beginning after December 15,
2011. Early adoption is not permitted for public entities. The Company is currently assessing the
impact of this accounting guidance on its financial statements. Adoption of this standard is not
expected to have a material impact on the financial statements.

In December 2010, the FASB issued an amendment to the guidance on goodwill impairment testing. The
amendment modifies Step 1 of the goodwill impairment test for reporting units with zero or negative
carrying amounts. Specifically, for those reporting units with a zero or negative carrying value,
it requires an entity to assess whether adverse qualitative factors indicate that it is more likely
than not that an impairment of goodwill exists, and if an entity concludes that it is more likely
than not that an impairment exists, the entity must measure the goodwill impairment by performing
Step 2 of the goodwill impairment test. The amendment was effective January 1, 2011 for annual and
interim reporting periods and did not have a material impact in the Consolidated Financial
Statements.

Item 2. Managements Discussion and Analysis of Financial Condition and Results of Operations

Results of Operations

Revenues for the three months ended June 30, 2011 and 2010 were $19,021 and $18,902,
respectively, while revenues for the six months ended June 30, 2011 and 2010 were $41,643
and $36,519 respectively. While revenues for the quarter remain flat, year-to-date revenues
reflect an increase of $5,124 or 14% from the prior year period and is driven by both the FUEL
CHEM and APC technology segments.

The Air Pollution Control (APC) technology segment generated revenues of $9,644 and $20,736 for the
three and six-months ended June 30, 2011, respectively, an increase of $353, or 4%, and $3,231 or
18%, from the prior year periods due to the timing of recognition of prior period bookings and work
progress on construction projects. This segment remains positioned to capitalize on the next phase
of increasingly stringent U.S. air quality standards, specifically on NOx control. Interest in
Fuel Techs suite of air pollution control technologies, on both a new and retrofit basis, remains
strong both domestically and abroad. The Company expects demand for its APC products to grow
significantly based on the compliance deadlines in multiple market segments that will be phased in
over the next three years.

Consolidated APC backlog at June 30, 2011 was $15,300 versus backlog at June 30, 2010 of
approximately $20,700. A substantial amount of the backlog as of June 30, 2011 should be recognized
as revenue in fiscal 2011, although the timing of such revenue recognition in 2011 is subject to
the timing of the expenses incurred on existing projects.

The FUEL CHEM technology segment generated revenues of $9,377 and $20,907 for the three and
six-months ended June 30, 2011, a decrease of $234, or 2%, and an increase of $1,893 or 10% versus
the respective prior year periods. The slight decrease in the current
three-month period is
attributed to fluctuation in consumption at existing accounts. The overall year-to-date increase
is attributed to the addition of new accounts and a one-time pass through of $1,281 for
installation related work at a customer site. We believe the marketplace acceptance for Fuel Techs
patented TIFI® Targeted In-Furnace Injection technology remains strong, particularly on
coal-fired units, which represents the largest market opportunity for the technology.

Cost of sales as a percentage of revenue for the quarters ended June 30, 2011 and 2010 was 55% and
59%, respectively. The cost of sales percentage for the APC technology segment decreased to 54%
from 65% in the comparable prior-year period, primarily due to an increase in higher margin project
mix. For the FUEL CHEM technology segment, the cost of sales percentage increased to 57% from 52%
in the comparable prior-year quarter primarily due to costs associated with foreign demonstrations.

Cost of
sales as a percentage of revenue for the six months ended
June 30, 2011 and 2010 was 53%
and 56%, respectively. The cost of sales for the APC technology segment decreased to 52% from
65% due to higher margin project mix. For the FUEL CHEM technology segment, the cost of sales
percentage increased to 54% from 49% due to costs associated with foreign demonstrations and
the one-time pass through of the lower margin installation work mentioned above.

Selling, general and administrative expenses (SG&A) for the quarters ended June 30, 2011 and 2010
were $7,966 and $8,018, respectively. Although SG&A remains flat for the quarter versus the prior
year, decreases in employee related costs of $408 and stock compensation expense of $134 was
partially offset by increases in fees to outside service providers, business taxes, bad debt
expense, and depreciation of $512. SG&A for the six-month periods ended June 30, 2011 and 2010 were
$15,917 and $15,498, respectively. The increase of $419 was primarily related to increases in
employee related costs of $433, fees to outside service providers of $691, and business taxes, bad debt
expense, and other sales and office related costs of $207, partially
offset by a decrease in stock
compensation of $882.

The Company recorded a gain during the quarter ended June 30, 2011 of $758 from the revaluation of
the contingent liability recorded in connection with the ACT Acquisition in January 2009. The $758
had been recorded in the first quarter of 2009 as part of a $2,307 contingent consideration accrual
representing the fair value, weighted-average probability of future consideration expected to be
paid in connection with the ACT Acquisition. For the year ended December 31, 2011, management has
concluded that the earnout payment related to the ACT Acquisition for fiscal 2011 is not probable,
thus the remaining $758 portion of the total contingent liability was reversed.

Research and development expenses for the three and six-month periods ended June 30, 2011 and 2010
were $315 and $165, and $717 and $311, respectively. The Company has increased its R&D efforts in
the pursuit of commercial applications for its technologies outside of

its traditional markets, and in the development and analysis of new technologies that could represent incremental market
opportunities.

Interest expense for the three- and six-month periods ended June 30, 2011 totaled $38 and $78,
respectively, and relates to borrowings under the Beijing Fuel Tech Facility.

Income tax expense/(benefit) for the three and six months ended ended June 30, 2011 and 2010 were
$326 and ($237), and $1,711 and ($95), respectively, and reflective of the Companys net
income/(loss) for the respective quarters. The Company is projecting a consolidated effective tax
rate of 48% for 2011.

Liquidity and Sources of Capital

At June 30, 2011, Fuel Tech had cash and cash equivalents and short-term investments on hand of
$30,756 and working capital of $41,085 versus $30,524 and $36,645 at December 31, 2010,
respectively.

Operating activities provided cash of $921 during the six-month period ended June 30, 2011,
primarily due to cash generated by our net income of $1,769, a net decreases in our inventory,
prepaid expenses, and other assets accounts of $205, plus other non-cash items such as stock-based
compensation of $1,659, depreciation and amortization of $1,989, deferred directors fees of $37,
and bad debt expense of $70. Partially offsetting these items were net payments made during the
quarter related to accounts payable, accrued liabilities, and income taxes of $3,610, a net
increase in our accounts receivable of $185, and non-cash items including deferred income taxes of
$253 and a gain on the revaluation of an accrued contingent liability of $758.

Investing activities used cash of $1,240 during the six month period ended June 30, 2011 primarily
due to purchases of property, equipment, and patent expenditures.

Financing activities generated cash of $313 related to proceeds received from the exercise of stock
options during the period.

On June 30, 2011, Fuel Tech amended its existing revolving credit facility (the Facility) with
JPMorgan Chase Bank, N.A (JPM Chase) to extend the maturity date through June 30, 2013. The
amendment decreases the total borrowing base of the facility to $15,000 from $25,000 and contains a
provision to increase the facility up to a total principal amount of $25,000 upon approval from JPM
Chase. The Facility is unsecured, bears interest at a rate of LIBOR plus a spread range of 250
basis points to 375 basis points, as determined under a formula related to the Companys leverage
ratio, and has the Companys Italian subsidiary, Fuel Tech S.r.l., as a guarantor. Fuel Tech can
use this Facility for cash advances and standby letters of credit. As of June 30, 2011 and
December 31, 2010, there were no outstanding borrowings on the amended or previous credit
facilities.

The Facility contains several debt covenants with which the Company must comply on a quarterly or
annual basis, including a maximum Funded Debt to EBITDA Ratio (or Leverage Ratio, as defined in
the Facility) of 1.5:1.0 based on the four trailing quarterly periods. Maximum funded debt is
defined as all borrowed funds, outstanding standby letters of credit and bank guarantees. EBITDA
includes after tax earnings with add backs for interest expense, income taxes, depreciation and
amortization, and stock-based compensation expenses. In addition, the Facility covenants include
an annual capital expenditure limit of $10,000 and a minimum tangible net worth of $50,000,
adjusted upward for 50% of net income generated and 100% of all capital issuances. At June 30,
2011, the Company was in compliance with all financial covenants on the Facility.

On June 30, 2011, Beijing Fuel Tech Environmental Technologies Company, Ltd. (Beijing Fuel Tech), a
wholly-owned subsidiary of Fuel Tech, entered into a new revolving credit facility (the China
Facility) agreement with JPM Chase for RMB 35 million (approximately $5,400), which expires on June
29, 2012. This new credit facility replaced the previous RMB 45 million facility that expired on
June 30, 2011. The facility is unsecured, bears interest at a rate of 125% of the Peoples Bank of
China (PBOC) Base Rate, and is guaranteed by Fuel Tech. Beijing Fuel Tech can use this facility
for cash advances and bank guarantees. As of June 30, 2011 and December 31, 2010, Beijing Fuel
Tech has borrowings outstanding in the amount of $2,321 and $2,269, respectively. These borrowings
were subject to interest rates of approximately 6.7% and 5.8% at June 30, 2011 and December 31,
2010, respectively.

At June 30, 2011 and December 31, 2010, the Company had outstanding standby letters of credit and
bank guarantees, predominantly to customers, totaling approximately $1,213 and $1,265,
respectively, in connection with contracts in process. Fuel Tech is committed to reimbursing the
issuing bank for any payments made by the bank under these instruments. At June 30, 2011, there
were no cash borrowings under the domestic revolving credit facility and approximately $13,787 was
available for future borrowings. The Company pays a commitment fee of 0.25% per year on the unused
portion of the revolving credit facility. Management has met with the Companys lending
institutions and, during the course of those meetings, was not made aware of any information
indicating that they will not be able to perform their obligations for any letters of credit or guarantees

issued, nor be unable to supply funds to Fuel Tech if the Company chooses to borrow
funds under its two revolving credit facilities.

In the event of default on either the domestic facility or the China facility, the cross default
feature in each allows the lending bank to accelerate the payments of any amounts outstanding and
may, under certain circumstances, allow the bank to cancel the facility. If the Company were
unable to obtain a waiver for a breach of covenant and the bank accelerated the payment of any
outstanding amounts, such acceleration may cause the Companys cash position to deteriorate or, if
cash on hand were insufficient to satisfy the payment due, may require the Company to obtain
alternate financing to satisfy the accelerated payment.

In the opinion of management, Fuel Techs expected near-term revenue growth will be driven by the
timing of penetration of the utility marketplace via utilization of its TIFI technology, by utility
and industrial entities adherence to the NOx reduction requirements of the various domestic
environmental regulations, and by the expansion of both business segments in non-U.S. geographies.
Fuel Tech expects its liquidity requirements to be met by the operating results generated from
these activities.

Contingencies and Contractual Obligations

Fuel Tech issues a standard product warranty with the sale of its products to customers as
discussed in Note L. The change in the warranty liability balance during the three and six months
ended June 30, 2011 was not significant.

This Quarterly Report on Form 10-Q contains forward-looking statements, as defined in Section 21E
of the Securities Exchange Act of 1934, as amended, which are made pursuant to the safe harbor
provisions of the Private Securities Litigation Reform Act of 1995 and reflect Fuel Techs current
expectations regarding future growth, results of operations, cash flows, performance and business
prospects, and opportunities, as well as assumptions made by, and information currently available
to, our management. Fuel Tech has tried to identify forward-looking statements by using words such
as anticipate, believe, plan, expect, estimate, intend, will, and similar
expressions, but these words are not the exclusive means of identifying forward-looking statements.
These statements are based on information currently available to Fuel Tech and are subject to
various risks, uncertainties, and other factors, including, but not limited to, those discussed in
Fuel Techs Annual Report on Form 10-K for the year ended December 31, 2010 in Item 1A under the
caption Risk Factors, which could cause Fuel Techs actual growth, results of operations,
financial condition, cash flows, performance and business prospects and opportunities to differ
materially from those expressed in, or implied by, these statements. Fuel Tech undertakes no
obligation to update such factors or to publicly announce the results of any of the forward-looking
statements contained herein to reflect future events, developments, or changed circumstances or for
any other reason. Investors are cautioned that all forward-looking statements involve risks and
uncertainties, including those detailed in Fuel Techs filings with the Securities and Exchange
Commission.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

Foreign Currency Risk Management

Fuel Techs earnings and cash flow are subject to fluctuations due to changes in foreign currency
exchange rates. We do not enter into foreign currency forward contracts nor into foreign currency
option contracts to manage this risk due to the immaterial nature of the transactions involved.

Fuel Tech is also exposed to changes in interest rates primarily due to its long-term debt
arrangement (refer to Note J to the consolidated financial statements). A hypothetical 100 basis
point adverse move in interest rates along the entire interest rate yield curve would not have a
materially adverse effect on interest expense during the upcoming year ended December 31, 2011.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Fuel Tech maintains disclosure controls and procedures and internal controls designed to ensure (a)
that information required to be disclosed in Fuel Techs filings under the Exchange Act is
recorded, processed, summarized and reported within the time periods specified in the Securities
and Exchange Commissions rules and forms, and (b) that such information is accumulated and
communicated to management, including the principal executive and financial officer, as appropriate
to allow timely decisions regarding required disclosure. Fuel Techs Chief Executive Officer and
Chief Financial Officer have evaluated the Companys disclosure controls and procedures, as defined
in Rules 13a - 15(e) and 15d -15(e) of the Exchange Act, as of the end of the period covered by
this report, and they have concluded that these controls and procedures are effective.

Changes in Internal Control over Financial Reporting

There has been no change in the Companys internal control over financial reporting during the
quarter covered by this report that has materially affected, or is reasonably likely to materially
affect, its internal control over financial reporting.

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